occurrence of mutations in the antimicrobial target genes related to levofloxacin, clarithromycin, and amoxicillin resistance in helicobacter pylori isolates from buenos aires city.domain v of 23s rrna, gyra and gyrb quinolones resistance-determining region (qrdr), and pbp-1a gene point mutations were investigated in helicobacter pylori-resistant isolates from three centres of buenos aires. minimal inhibitory concentrations (mics) were performed in 197 isolates from 52 h. pylori-positive naive patients by agar dilution method. point mutations were achieved by amplification and sequencing of the target genes, and their association with resistance was determined by natural t ...201727391421
factors associated with h. pylori epidemiology in symptomatic children in buenos aires, determine prevalence of h pylori infection in symptomatic children in buenos aires, argentina, and to investigate factors associated with h pylori positivity.200616981273
[helicobacter pylori seroprevalence in dialysis patients].(a) to establish hp infection seroprevalence among patients under chronic dialysis and to compare it with that of general population, (b) to assess the relationship between hp prevalence and parameters associated with a higher morbidity, such as serum albumin levels, dialysis adequacy, and quality of life in this population.200314708462
decreasing trend of helicobacter pylori infection in children with gastrointestinal symptoms from buenos aires, argentina.background: helicobacter pylori infection is declining in developed and developing countries. the aim of this study was to retrospectively evaluate over an 8-year period the rate of h. pylori infection in children with gastrointestinal symptoms from buenos aires, argentina. materials and methods: we reviewed the records of children referred from 2002 to 2009 to the gastroenterology unit of the children hospital "superiora sor maria ludovica" for evaluation of upper gastrointestinal signs and s ...201121762272
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